District 4
2x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| KA4OBK | 11 | 69 | 2026-02-28 | — | Active |
| KA4OBL | 11 | 69 | — | — | Available |
| KA4OBM | 10 | 67 | — | — | Available |
| KA4OBN | 12 | 65 | — | — | Available |
| KA4OBO | 11 | 71 | — | — | Available |
| KA4OBP | 11 | 71 | 2014-05-31 | 2016-06-01 | Available |
| KA4OBQ | 11 | 73 | — | — | Available |
| KA4OBR | 12 | 67 | — | — | Available |
| KA4OBS | 12 | 65 | 2034-09-15 | — | Active |
| KA4OBT | 11 | 63 | 2033-06-29 | — | Active |
| KA4OBU | 12 | 67 | 2008-09-17 | 2010-09-18 | Available |
| KA4OBV | 11 | 69 | — | — | Available |
| KA4OBW | 11 | 69 | — | — | Available |
| KA4OBX | 11 | 71 | — | — | Available |
| KA4OBY | 11 | 73 | — | — | Available |
| KA4OBZ | 11 | 71 | 2005-09-07 | 2007-09-08 | Available |
| KA4OCA | 11 | 67 | — | — | Available |
| KA4OCB | 11 | 71 | — | — | Available |
| KA4OCC | 11 | 73 | 2017-04-27 | 2019-04-28 | Available |
| KA4OCD | 11 | 69 | — | — | Available |
| KA4OCE | 11 | 63 | — | — | Available |
| KA4OCF | 11 | 71 | — | — | Available |
| KA4OCG | 10 | 71 | — | — | Available |
| KA4OCH | 11 | 69 | 2004-12-13 | 2006-12-14 | Available |
| KA4OCI | 12 | 65 | — | — | Available |
| KA4OCJ | 12 | 75 | 1997-10-15 | 1999-10-16 | Available |
| KA4OCK | 11 | 71 | — | — | Available |
| KA4OCL | 11 | 71 | — | — | Available |
| KA4OCM | 10 | 69 | 2034-09-13 | — | Active |
| KA4OCN | 12 | 67 | 2015-04-21 | 2017-04-22 | Available |
| KA4OCO | 11 | 73 | 2015-04-21 | 2017-04-22 | Available |
| KA4OCP | 11 | 73 | 2016-03-25 | 2018-03-26 | Available |
| KA4OCQ | 11 | 75 | — | — | Available |
| KA4OCR | 12 | 69 | — | — | Available |
| KA4OCS | 12 | 67 | 2006-03-25 | 2008-03-26 | Available |
| KA4OCT | 11 | 65 | — | — | Available |
| KA4OCU | 12 | 69 | 2015-11-28 | 2017-11-29 | Available |
| KA4OCV | 11 | 71 | — | — | Available |
| KA4OCW | 11 | 71 | 2015-02-21 | 2017-02-22 | Available |
| KA4OCX | 11 | 73 | — | — | Available |
| KA4OCY | 11 | 75 | 2015-02-22 | 2017-02-23 | Available |
| KA4OCZ | 11 | 73 | — | — | Available |
| KA4ODA | 11 | 63 | — | — | Available |
| KA4ODB | 11 | 67 | — | — | Available |
| KA4ODC | 11 | 69 | — | — | Available |
| KA4ODD | 11 | 65 | — | — | Available |
| KA4ODE | 11 | 59 | — | — | Available |
| KA4ODF | 11 | 67 | 2025-03-02 | — | Active |
| KA4ODG | 10 | 67 | 2019-12-12 | 2021-12-13 | Available |
| KA4ODH | 11 | 65 | — | — | Available |
| KA4ODI | 12 | 61 | — | — | Available |
| KA4ODJ | 12 | 71 | — | — | Available |
| KA4ODK | 11 | 67 | — | — | Available |
| KA4ODL | 11 | 67 | 1998-04-19 | 2000-04-20 | Available |
| KA4ODM | 10 | 65 | 2007-10-20 | 2009-10-21 | Available |
| KA4ODN | 12 | 63 | — | — | Available |
| KA4ODO | 11 | 69 | — | — | Available |
| KA4ODP | 11 | 69 | — | — | Available |
| KA4ODQ | 11 | 71 | — | — | Available |
| KA4ODR | 12 | 65 | — | — | Available |
| KA4ODS | 12 | 63 | — | — | Available |
| KA4ODT | 11 | 61 | — | — | Available |
| KA4ODU | 12 | 65 | 2000-08-14 | 2002-08-15 | Available |
| KA4ODV | 11 | 67 | 1998-07-16 | 2000-07-17 | Available |
| KA4ODW | 11 | 67 | 2015-09-20 | 2017-09-21 | Available |
| KA4ODX | 11 | 69 | — | — | Available |
| KA4ODY | 11 | 71 | — | — | Available |
| KA4ODZ | 11 | 69 | 2029-07-17 | — | Active |
| KA4OEA | 11 | 57 | 2006-05-03 | 2008-05-04 | Available |
| KA4OEB | 11 | 61 | 2017-03-16 | 2019-03-17 | Available |
| KA4OEC | 11 | 63 | — | — | Available |
| KA4OED | 11 | 59 | 2016-01-31 | 2018-02-01 | Available |
| KA4OEE | 11 | 53 | — | — | Available |
| KA4OEF | 11 | 61 | — | — | Available |
| KA4OEG | 10 | 61 | 2027-05-09 | — | Active |
| KA4OEH | 11 | 59 | — | — | Available |
| KA4OEI | 12 | 55 | — | — | Available |
| KA4OEJ | 12 | 65 | — | — | Available |
| KA4OEK | 11 | 61 | — | — | Available |
| KA4OEL | 11 | 61 | — | — | Available |
| KA4OEM | 10 | 59 | 2027-07-18 | — | Active (Vanity) |
| KA4OEN | 12 | 57 | 2014-08-29 | 2016-08-30 | Available |
| KA4OEO | 11 | 63 | — | — | Available |
| KA4OEP | 11 | 63 | 2005-06-07 | 2007-06-08 | Available |
| KA4OEQ | 11 | 65 | — | — | Available |
| KA4OER | 12 | 59 | — | — | Available |
| KA4OES | 12 | 57 | 2012-02-04 | 2014-02-05 | Available |
| KA4OET | 11 | 55 | — | — | Available |
| KA4OEU | 12 | 59 | 2015-10-02 | 2017-10-03 | Available |
| KA4OEV | 11 | 61 | — | — | Available |
| KA4OEW | 11 | 61 | 2007-03-16 | 2009-03-17 | Available |
| KA4OEX | 11 | 63 | — | — | Available |
| KA4OEY | 11 | 65 | 2036-02-08 | — | Active |
| KA4OEZ | 11 | 63 | — | — | Available |
| KA4OFA | 11 | 65 | — | — | Available |
| KA4OFB | 11 | 69 | 2033-02-13 | — | Active |
| KA4OFC | 11 | 71 | 2000-05-30 | 2002-05-31 | Available |
| KA4OFD | 11 | 67 | 2026-12-24 | — | Active |
| KA4OFE | 11 | 61 | 2007-01-02 | 2009-01-03 | Available |
| KA4OFF | 11 | 69 | — | — | Available |